<template>
  <div>
    <input v-model="newTodoTitle" @keyup.enter="addTodo">
    <button @click="addTodo">Add Todo</button>
    <ul>
      <li v-for="(todo, index) in todos" :key="index">
        <todo-item
          :title="todo.title"
          :completed="todo.completed"
          @update:completed="updateTodoCompleted(index, $event)"
          @remove-todo="removeTodo(index)"
        ></todo-item>
      </li>
    </ul>
  </div>
</template>

<script>
import TodoItem from './TodoItem.vue';

export default {
  components: {
    TodoItem
  },
  data() {
    return {
      todos: [],
      newTodoTitle: ''
    }
  },
  methods: {
    addTodo() {
      if (this.newTodoTitle.trim()) {
        this.todos.push({
          title: this.newTodoTitle,
          completed: false
        });
        this.newTodoTitle = '';
      }
    },
    removeTodo(index) {
      this.todos.splice(index, 1);
    },
    updateTodoCompleted(index, completed) {
      this.todos[index].completed = completed;
    }
  }
}
</script>
